Sorry...don't think I gave you a good answer...if you have a B_O_P case you shouldn't have a problem. They didn't use power glides in Pontiacs...they used one similar called a ST300 and I don't remember if they used the Multi-Case...I don't think they did...so the other guy was right...you'll probably need an adapter plate. Probably less expensive in the long run...

Before you get into this. Check if the Pontiac starter bolts to the block or the belhousing. Pontiacs used belhousing mounts into the mid sixties.. An adapter won't do any good if the Chevy block mounted starter won't physically fit into the Pontiac belhousing. Been there.

Before you get into this. Check if the Pontiac starter bolts to the block or the belhousing. Pontiacs used belhousing mounts into the mid sixties.. An adapter won't do any good if the Chevy block mounted starter won't physically fit into the Pontiac belhousing. Been there.

Tha last full year of block mounted starters was 1963. There may have been a few in '64, but non NONE from '65 on.

Get a piece of 1/8 steel plate large enough to fit across the Pontiac tranny. Drill 3/8 holes in it as if you were going to bolt it to the Pontiac trans. Now, put it up against the back of Chevy block.. A couple of bolts should also match the Chevrolet block At least two of the bolt holes should match the Chevrolet block. Now, drill the other holes as if you were bolting it up to the Chevrolet. Okay, bolt up the 1/8 inch plate to the Chevrolet block using holes that DO NOT match the Pontiac tranny. You also need to make a half circle in the steel plate large enough to clear the torque converter. Bolt the torque converter onto the Chevrolet flywheel but put 1/8 inch washers between the flywheel and the torque converter to make up for moving the tranny back 1/8 inch. Now bolt up the Pontiac tranny to the adapter plate. Sounds harder than it is, but once you understand it you will see it's pretty simple. Been runnin' a Pontiac T-400 tranny behind a Chev. 350 for years with no problems. Should use Loctite on the converter bolts.

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